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authorKevin Wolf <kwolf@redhat.com>2010-01-20 15:03:01 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2010-01-26 14:59:19 -0600
commit148da7ea9d66bad0d5b6512074fbedc4e2640e8f (patch)
treeea363cd5a48a8abc6f478e5450df82d3ef0115ae /block/qcow2.h
parent1e3e8f1a437cafa3b23486aea36be3c9c0bd4e28 (diff)
downloadqemu-148da7ea9d66bad0d5b6512074fbedc4e2640e8f.tar.gz
qcow2: Return 0/-errno in qcow2_alloc_cluster_offset
Returning 0/-errno allows it to distingush different errors classes. The cluster offset of newly allocated clusters is now returned in the QCowL2Meta struct. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'block/qcow2.h')
-rw-r--r--block/qcow2.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/qcow2.h b/block/qcow2.h
index 26ab5d9523..d9ea6abc50 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -135,6 +135,7 @@ struct QCowAIOCB;
typedef struct QCowL2Meta
{
uint64_t offset;
+ uint64_t cluster_offset;
int n_start;
int nb_available;
int nb_clusters;
@@ -199,8 +200,7 @@ uint64_t qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
uint64_t offset,
int compressed_size);
-int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, uint64_t cluster_offset,
- QCowL2Meta *m);
+int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m);
/* qcow2-snapshot.c functions */
int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info);